Exercise and Pain in AYACS

AYACS will participate in a 16-week physical activity program. AYACS will be instructed to start with a session duration of \<15-min, three days per week at low intensity (e.g., activities expending \>1.5 to 3 METs or intensity \<5 on a scale of 0 to 10). Any type of physical activity will be acceptable. The program will be individualized, and activity increased according to patients' health status, results from the physical function assessment, and most recent week's achieved physical activities. The program will include support calls and texts from research staff (exercise physiologist). The program will be modified and adapted during support calls or texts, including frequency, intensity, time and type to maximize AYACS' success. AYACS will receive a Fitbit at the beginning of the intervention.

AYACS in the control group will not participate in a 16-week physical activity program and will not receive support calls or texts. Physical activity advice according to the Exercise Guidelines for Cancer Survivors will be offered to AYACS following completion of 16-week follow-up. Moreover, AYACS will receive a Fitbit following completion of 16-week follow-up